HydroBASINS lev08 watershed · #6080381130
Bassin de Rio Seridó
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 20 administrative regions : Acari, Barra de Santa Rosa, Carnaúba dos Dantas, Cubati, Equador +15
Sub-basin area
2 136km²
Upstream area
2 136,1km²
Discharge
4,49m³/s
Mean elev.
475m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
20 dept-equivalent regions (GADM L2)
- 511.7 km²24.1% of basin
- 303.9 km²14.3% of basin
- 261.2 km²12.3% of basin
- 211.3 km²9.9% of basin
- 208.9 km²9.8% of basin
- 167.9 km²7.9% of basin
- 160.4 km²7.5% of basin
- 85.4 km²4.0% of basin
12 moreFull L2 list
- Juazeirinho81.8 km² · 3.8%
- São José do Sabugi53.5 km² · 2.5%
- Carnaúba dos Dantas35.4 km² · 1.7%
- Tenório18.8 km² · 0.9%
- Junco do Seridó8.9 km² · 0.4%
- Sossêgo5.3 km² · 0.3%
- Acari4.2 km² · 0.2%
- Olivedos3.3 km² · 0.2%
- Barra de Santa Rosa2.1 km² · 0.1%
- Picuí1.6 km² · 0.1%
- Santa Luzia1.0 km² · 0.0%
- São José do Seridó0.0 km² · 0.0%
1 intersecting protected areas
Natural Heritage Private Reserve
1.37 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
676 distinct species · 4 212 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Rio Seridó : 22 espèces reliées par 41 interactions GloBI sur 5 types (connectance 8.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
24,1°C
Annual rain
464mm
Moisture idx (CMI)
-0,71
Runoff
71mm/an
PET
1 585mm
AET
392mm
Mean slope
3,7°
Water table
360cm
Forest
5%
Crops
15%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)